ArticleClinical and translational gastroenterology2025
A Brief Model Evaluated Outcomes After Liver Transplantation Based on the Matching of Donor Graft and Recipient.
Article in Clinical and translational gastroenterology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionA precise model for predicting outcomes is needed to guide perioperative management. With the development of the liver transplantation (LT) discipline, previous models may become inappropriate or noncomprehensive. Thus, we aimed to develop a novel model integrating variables from donors and recipients for quick assessment of transplant outcomes.
methodsThe risk model was based on Cox regression in a randomly selected derivation cohort and verified in a validation cohort. Perioperative data and overall survival were compared between stratifications grouped by X-tile. Receiver-operating characteristic curve and decision curve analysis were used to compare the models. Violin and raincloud plots were generated to present post-LT complications distributed in different stratifications.
resultsOverall, 528 patients receiving LT from 2 centers were included with 2/3 in the derivation cohort and 1/3 in the validation cohort. Cox regression analysis showed that cold ischemia time (CIT) ( P = 0.012) and Model for End-Stage Liver Disease (MELD) ( P = 0.007) score were predictors of survival. After comparison with the logarithmic models, the primitive algorithms of CIT and MELD were defined as the CIT-MELD Index (CMI). CMI was stratified by X-tile (grade 1 ≤1.06, 1.06 < grade 2 ≤ 1.87, grade 3 >1.87). In both cohorts, CMI performed better in calculating transplant outcomes than the balance of risk score, including perioperative incidents and prevalence of complications. DISCUSSION: The model integrating variables from graft donors and recipients made the prediction more accurate and available. CMI provided new insight into outcome evaluation and risk factor management of LT.
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